Aquarium water mill



FIG. 1 is a front perspective view of an aquarium water mill showing our new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a bottom plan view thereof; and

FIG. 5 is a rear elevational view thereof.

The fragmentary broken line representation of an aquarium and an aquarium pump in FIG. 2 is for purposes of illustration only. 

The ornamental design for a aquarium water mill, substantially as shown and described. 